
Hydrolux
Differential pressure overflow valve with direct setting value display
Hydrolux is a proportional working, p-band controlled overflow valve with low proportional deviation.
Product branding

Features and Benefits
Direct setting scale display
Low proportional deviation
Extremely low noise, current efficient construction
Low friction valve disc center guide
Highest reaction precision due to an inner setting value spring with generous dimensions
Applications
Heating and cooling systems.
Functions
Adjustable Δp
Proportional relief
Pressure class [PN]
PN 16
Setting range
Adjusted on the operating side and preset to 200 mbar (20 kPa).
Adjusted on the operating side and preset to 300 mbar (30 kPa).
50–500 mbar (5-50 kPa)
300-1800 mbar (30-180 kPa)
Recommended max. volume flow (V)
DN 20: 2,0 m3/h
DN 25: 3,5 m3/h
DN 32: 7,0 m3/h
Max. heat flow (Q)
at Δt 20 K / 10 K
DN 20: 46,5 / 23,3 kW
DN 25: 81,4 / 40,7 kW
DN 32: 162,8 / 81,4 kW
Connection
Internal thread connections on the incoming side, internal thread or flat sealing lockshield on the out going side.
Threads according to ISO 7/1 (DIN 2999).
Material
Body: Corrosion-resistant gunmetal
O-rings: EPDM
Valve disc: EPDM
Spring: Stainless steel
Valve insert: Brass
Spindle: Brass
Handwheel: PA6.6 GF30
The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.
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